by的例句

by 的相关例句:

81.	He obtained his position by /through the agency of friends.
	他通过朋友的帮助得到了一个职位。
82.	He aggravated his condition by leaving hospital too soon.
	他因过早出院而使病情恶化。
83.	He aggravates her just by looking at her.
	他只是看着她就把她惹恼了。
84.	We were deeply affected by the news of her death.
	她死亡的噩耗使我们深为感伤。
85.	The way ahead was blocked by fallen trees.
	前面的路被倒下的树挡住了。
86.	Some famous amphitheatres were built by the Romans.
	一些著名的竞技场都是罗马人修建的。
87.	Sound waves are measured by their amplitude.
	声波是根据其振幅来测量的。
88.	Everyone was amused at/ by the story about the dog.
	大家听了关于那只狗的故事都笑起来了。
89.	They amused themselves by looking at old photographs.
	他们以看旧照片消遣。
90.	Alarmed by the noise, the birds flew away.
	那声音把鸟吓飞了。